AMDGPU vs. Radeon DRM On Linux 4.13 For AMD GCN 1.0/1.1 GPUs
Written by Michael Larabel in Display Drivers on 20 July 2017. Page 5 of 5. 37 Comments

So long story short, the Radeon R9 270X / R7 370 still suffer from slower performance if making use of the experimental GCN 1.0 support in AMDGPU. The Radeon R9 290 meanwhile performs better with AMDGPU in the special case of this R9 290 Hawaii having at times suffered from a major performance regression on Radeon DRM and seems back again with Linux 4.13. With the other tested hardware, there wasn't any big performance differences. As a reminder, the Vulkan support was only working out well on the tested hardware with GCN 1.1+ GPUs on RADV.

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Michael Larabel is the principal author of Phoronix.com and founded the site in 2004 with a focus on enriching the Linux hardware experience. Michael has written more than 20,000 articles covering the state of Linux hardware support, Linux performance, graphics drivers, and other topics. Michael is also the lead developer of the Phoronix Test Suite, Phoromatic, and OpenBenchmarking.org automated benchmarking software. He can be followed via Twitter or contacted via MichaelLarabel.com.


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